package com.lion.activiti.explorer.servlet;

import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.Environment;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.web.servlet.config.annotation.ContentNegotiationConfigurer;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import org.springframework.web.servlet.i18n.LocaleChangeInterceptor;
import org.springframework.web.servlet.i18n.SessionLocaleResolver;
import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping;

import com.fasterxml.jackson.databind.ObjectMapper;

@Configuration
//@ComponentScan({"org.activiti.rest.editor", "org.activiti.rest.diagram"})
//@EnableAsync
//public class DispatcherServletConfiguration extends WebMvcConfigurationSupport {
public class DispatcherServletConfiguration {

  private final Logger log = LoggerFactory.getLogger(DispatcherServletConfiguration.class);

  //@Autowired
  //private ObjectMapper objectMapper;
  
  //@Autowired
  //private Environment environment;

  @Bean
  public SessionLocaleResolver localeResolver() {
    return new SessionLocaleResolver();
  }

  @Bean
  public LocaleChangeInterceptor localeChangeInterceptor() {
    log.debug("Configuring localeChangeInterceptor");
    LocaleChangeInterceptor localeChangeInterceptor = new LocaleChangeInterceptor();
    localeChangeInterceptor.setParamName("language");
    return localeChangeInterceptor;
  }

  @Bean
  public RequestMappingHandlerMapping requestMappingHandlerMapping() {
    log.debug("Creating requestMappingHandlerMapping");
    RequestMappingHandlerMapping requestMappingHandlerMapping = new RequestMappingHandlerMapping();
    requestMappingHandlerMapping.setUseSuffixPatternMatch(false);
    Object[] interceptors = {localeChangeInterceptor()};
    requestMappingHandlerMapping.setInterceptors(interceptors);
    return requestMappingHandlerMapping;
  }
  
//  @Override
//  public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
//    addDefaultHttpMessageConverters(converters);
//    for (HttpMessageConverter<?> converter: converters) {
//      if (converter instanceof MappingJackson2HttpMessageConverter) {
//        MappingJackson2HttpMessageConverter jackson2HttpMessageConverter = (MappingJackson2HttpMessageConverter) converter;
//        jackson2HttpMessageConverter.setObjectMapper(objectMapper);
//        break;
//      }
//    }
//  }
//
//  @Override
//  protected void configureContentNegotiation(ContentNegotiationConfigurer configurer) {
//    configurer.favorPathExtension(false);
//  }
  
}


